<h1 class="top">Numeric variable</h1>
<h2>The block</h2>
<img src="help/img/number_var.png" alt="Number Variable" class="leftFloatIMG">
<p class="leftFloat left">
    This block symbolises numeric variables.<br>
    It is used as a value in the 
    <span class="intLinks pointer" onclick="fetchthelink('Help/compare_operator.html', '#5aa68c');"> compare </span> 
    and the <span class="intLinks pointer" onclick="fetchthelink('Help/terms_simple_expressions.html', '#6b59a5');">mathematical operator</span>,
    in the "IF" and "IF NULL" of the 
    <span  class="intLinks pointer" onclick="fetchthelink('Help/otherfunction/decode.html', '#5aa68c');">otherfunction</span>, 
    in <span  class="intLinks pointer" onclick="fetchthelink('Help/numberfunction/abs.html', '#6b59a5');">numberfunctions</span> 
    and in the "LIMIT" clause.
</p>
<h2> Functionality</h2>
<p class="text"> The default value of this variable is 0.</p>
<img src="help/img/num_var_change.png" alt="Changing the numeric value" class="rightFloatIMG">  
<p class="text">As you see in  the picture on the right, this block has an included text field, where you can change the value. 
    <span style="font-weight: bold;">Notice</span> that, if you want the value to be decimal, you need a '.' as seperator not ','.<br>If you want a negative number just add an '-' in the text field.</p>
<img src="help/img/number_var_wrong.png" alt="Wrong numeric value" class="leftFloatIMG">  
<p class="text"> If ther is something wrong with your value, like it's not numeric,
    it's emtpy or you are using the wrong seperator, the text field will change the colour to red. This is shown in the picture to the left.</p>
